What is Kelvin Helmholtz?

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble ocean waves rolling at equal intervals and are one of the rare types. It is believed that these clouds with their mesmerizing appearance inspired the swirls we see in Vincent Van Gogh's painting "Starry Night." So, how does this type of cloud form? They arise when two different layers of air in our atmosphere move at different speeds and occur when there is a strong vertical shear between the two air currents, causing the winds to blow faster at upper levels than at lower levels.

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Glossary

Perhaps you have come across them, maybe you are seeing them for the first time. These clouds, known as wave clouds, resemble...

The mass of air surrounding the earth and bound to it more or less permanently by the earth's gravitational attraction.

The reflectance rate of a surface, indicating the amount of electromagnetic radiation reflected from the surface. It depends...

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A tropical cyclone with sustained winds of at least 74 miles per hour, characterized by a central eye, strong winds, and...

A sudden electrostatic discharge during a thunderstorm between electrically charged regions of a cloud, between clouds, or...

In a severe storm, with a swirling motion in its left rear quadrant, a vertically rotating column of air, often seen with...

Frozen drizzle is a dangerous type of frozen rain. It’s a light rain that falls in very fine drops, which freezes on contact...

Considerable cloudiness refers to weather conditions where a large portion of the sky is covered with clouds, but some clear...

A small, intense downdraft that produces damaging winds at the surface, typically lasting a few minutes and often associated...

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